My brother is bought a set of headers for his 06 silverado 4.8
I have a question regarding these headers. Here are some of my concerns
1. Should he buy the Y pipe they sell or just modify his current Y pipe?
2. If we modify the current stock Y pipe what are we in for?
3. I know this should be a easy install, but is there any thing I should know?
Buy the y pipe,
you prob. cant get the stock y to work b/c it is 2.5 or so and the header collectors are bigger, I mean anything can be mated up with a welder and torch, but even with the New y pipe it is a pain to get lined up.
If you didnt get any instructions with your headers like mine they both go in better from the bottom, I had to trim a little off of the tranny bell housing to get good clearance. Reciprocating saw will fix it up, and leave all the header boltes loose until you get the y pipe in loose, makes it alot easier assuming you have the same long tube headers with offroad y pipe that I have.Hope this helps.
single digit street truck
for build info
http://www.ls1truck.com/forums/my-ga...cs-garage.html
The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......
hes right
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .
I just wanted to make sure I have plenty of experience with header installs. I still love my tube chassis goat. the headers drop right out with easy no messing around. Thanks guys for letting me know.
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